iron(III) oxide

chemical compound
ChemicalSubstance type_of_chemical_entity Q419170
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iron(III) oxide

Summary

iron(III) oxide is a type of chemical entity[1]. It has Wikipedia articles in 26 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • iron(III) oxide's instance of is recorded as type of chemical entity[3].
  • iron(III) oxide's canonical SMILES is recorded as [Fe+3].[Fe+3].[O-2].[O-2].[O-2][4].
  • iron(III) oxide's chemical formula is recorded as Fe₂O₃[5].
  • iron(III) oxide is a type of iron oxide[6].
  • iron(III) oxide is used for food additive[7].
  • iron(III) oxide's Commons category is recorded as Iron(III) oxide[8].
  • iron(III) oxide comprises iron[9].
  • iron(III) oxide comprises oxygen[10].
  • iron(III) oxide's described by source is recorded as Meyers Konversations-Lexikon, 4th edition (1885–1890)[11].
  • iron(III) oxide's described by source is recorded as Great Soviet Encyclopedia (1926–1947)[12].
  • iron(III) oxide's NIOSH Pocket Guide ID is recorded as 0549[13].
  • iron(III) oxide's NIOSH Pocket Guide ID is recorded as 0344[14].
  • iron(III) oxide's density is recorded as {'unit': 'Q13147228', 'amount': '+5.24'}[15].
  • iron(III) oxide's mass is recorded as {'unit': 'Q483261', 'amount': '+159.85461886'}[16].
  • iron(III) oxide's melting point is recorded as {'unit': 'Q42289', 'amount': '+2664'}[17].
  • iron(III) oxide's melting point is recorded as {'unit': 'Q42289', 'amount': '+2849'}[18].
  • iron(III) oxide's boiling point is recorded as {'unit': 'Q25267', 'amount': '+1987'}[19].
  • iron(III) oxide's vapor pressure is recorded as {'unit': 'Q6859652', 'amount': '+0'}[20].
  • iron(III) oxide's immediately dangerous to life or health is recorded as {'unit': 'Q21077820', 'amount': '+2500'}[21].
  • iron(III) oxide's time-weighted average exposure limit is recorded as {'unit': 'Q21077820', 'amount': '+5'}[22].
  • iron(III) oxide's time-weighted average exposure limit is recorded as {'unit': 'Q21077820', 'amount': '+10'}[23].
  • iron(III) oxide's time-weighted average exposure limit is recorded as {'unit': 'Q21077820', 'amount': '+15'}[24].
  • iron(III) oxide's associated hazard is recorded as iron(III) oxide exposure[25].
  • iron(III) oxide's safety classification and labelling is recorded as NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response[26].

Body

Works and Contributions

Things named for iron(III) oxide include rust[27], a color[28].

Why It Matters

iron(III) oxide has Wikipedia articles in 26 language editions, a strong signal of global cultural recognition.[2] It is known by 74 alternative names across languages and contexts.[29]

Entities named for it include rust[27], a color[28].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . PubChem. wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . cdc.gov. cdc.gov. Provenance: wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . cdc.gov. cdc.gov. Provenance: wikidata.org.
  16. [18] . cdc.gov. cdc.gov. Provenance: wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . cdc.gov. cdc.gov. Provenance: wikidata.org.
  19. [21] . cdc.gov. cdc.gov. Provenance: wikidata.org.
  20. [22] . cdc.gov. cdc.gov. Provenance: wikidata.org.
  21. [23] . cdc.gov. cdc.gov. Provenance: wikidata.org.
  22. [24] . cdc.gov. cdc.gov. Provenance: wikidata.org.
  23. [25] . cdc.gov. cdc.gov. Provenance: wikidata.org.
  24. [26] . web.archive.org. web.archive.org. Provenance: wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [27] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [28] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikidata sitelinks. wikidata.org.
  2. [29] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). iron(III) oxide. Retrieved May 3, 2026, from https://4ort.xyz/entity/iron-iii-oxide
MLA “iron(III) oxide.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/iron-iii-oxide.
BibTeX @misc{4ortxyz_iron-iii-oxide_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{iron(III) oxide}}, year = {2026}, url = {https://4ort.xyz/entity/iron-iii-oxide}, note = {Accessed: 2026-05-03}}
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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 29d ago · Nabbegat · 2026-06-19 view diff on Wikidata ↗
    Density {'unit': 'Q13147228', 'amount': '+5.24'}
    Vapor pressure {'unit': 'Q6859652', 'amount': '+0'}
    Has parts
    Instance of type of chemical entity
    + 14 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-short:0||tr */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/37300|batch #37300]]"
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